A breakdown of the 314K+ companies running HTTP/2.
Top industries
Retail trade58K+
Professional and business services26K+
Industrial and manufacturing26K+
Information technology and services23K+
Art, sports and recreation18K+
Hospitality and travel16K+
Health and wellness13K+
Construction and building11K+
No industry recorded: 49K+
Company size
1–1056,444 (38%)
11–5037,880 (25%)
51–25032,456 (22%)
251–50010,346 (7%)
501–1,0003,787 (3%)
1,001–5,0005,293 (4%)
5,001–10,0001,085 (1%)
10,001+1,460 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 166K+
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Frequently asked questions
About the HTTP/2 data on this page.
How many companies use HTTP/2?
Firmable holds confirmed HTTP/2 detections for 314,990 distinct companies, 302,115 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use HTTP/2?
Steward Partners, Mirum Pharmaceuticals Inc. and Harmony Biosciences are among the most prominent in the current set.
What industries use HTTP/2?
Retail trade, professional and business services and industrial and manufacturing lead the set, across 19 industries in total.
What size companies use HTTP/2?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are HTTP/2 users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
302,115 companies were confirmed in the last 90 days. Last detection 19 September 2026.
